兼容Excel下拉框内容过多无法显示的问题(I5XB6I)
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					@ -48,6 +48,7 @@ import org.apache.poi.ss.usermodel.FillPatternType;
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import org.apache.poi.ss.usermodel.Font;
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					import org.apache.poi.ss.usermodel.Font;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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					import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.IndexedColors;
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					import org.apache.poi.ss.usermodel.IndexedColors;
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					import org.apache.poi.ss.usermodel.Name;
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import org.apache.poi.ss.usermodel.PictureData;
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					import org.apache.poi.ss.usermodel.PictureData;
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import org.apache.poi.ss.usermodel.Row;
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					import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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					import org.apache.poi.ss.usermodel.Sheet;
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					@ -981,11 +982,19 @@ public class ExcelUtil<T>
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            sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
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					            sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
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        }
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					        }
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        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
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					        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
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					        {
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					            if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
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					            {
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					                // 如果下拉数大于15或字符串长度大于255,则使用一个新sheet存储,避免生成的模板下拉值获取不到
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					                setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
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					            }
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					            else
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            {
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					            {
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                // 提示信息或只能选择不能输入的列内容.
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					                // 提示信息或只能选择不能输入的列内容.
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                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
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					                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
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            }
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					            }
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        }
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					        }
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					    }
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    /**
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					    /**
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     * 添加单元格
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					     * 添加单元格
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					@ -1087,6 +1096,58 @@ public class ExcelUtil<T>
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        sheet.addValidationData(dataValidation);
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					        sheet.addValidationData(dataValidation);
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    }
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					    }
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					    /**
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					     * 设置某些列的值只能输入预制的数据,显示下拉框(兼容超出一定数量的下拉框).
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					     * 
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					     * @param sheet 要设置的sheet.
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					     * @param textlist 下拉框显示的内容
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					     * @param promptContent 提示内容
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					     * @param firstRow 开始行
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					     * @param endRow 结束行
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					     * @param firstCol 开始列
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					     * @param endCol 结束列
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					     */
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					    public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
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					    {
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					        String hideSheetName = "combo_" + firstCol + "_" + endCol;
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					        Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
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					        for (int i = 0; i < textlist.length; i++)
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					        {
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					            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
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					        }
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					        // 创建名称,可被其他单元格引用
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					        Name name = wb.createName();
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					        name.setNameName(hideSheetName + "_data");
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					        name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
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					        DataValidationHelper helper = sheet.getDataValidationHelper();
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					        // 加载下拉列表内容
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					        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
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					        // 设置数据有效性加载在哪个单元格上,四个参数分别是:起始行、终止行、起始列、终止列
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					        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
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					        // 数据有效性对象
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					        DataValidation dataValidation = helper.createValidation(constraint, regions);
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					        if (StringUtils.isNotEmpty(promptContent))
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					        {
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					            // 如果设置了提示信息则鼠标放上去提示
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					            dataValidation.createPromptBox("", promptContent);
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					            dataValidation.setShowPromptBox(true);
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					        }
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					        // 处理Excel兼容性问题
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					        if (dataValidation instanceof XSSFDataValidation)
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					        {
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					            dataValidation.setSuppressDropDownArrow(true);
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					            dataValidation.setShowErrorBox(true);
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					        }
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					        else
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					        {
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					            dataValidation.setSuppressDropDownArrow(false);
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					        }
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					        sheet.addValidationData(dataValidation);
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					        // 设置hiddenSheet隐藏
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					        wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
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					    }
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    /**
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					    /**
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     * 解析导出值 0=男,1=女,2=未知
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					     * 解析导出值 0=男,1=女,2=未知
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     * 
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					     * 
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